Climatological  Data
Copyright © 1996-2017 STORMFAX

 Weather in Chatham the past 48 hours !

Chatham Harbor

The Chatham Squire WebCam

Chatham, MA
NWS/1971-2000 

AVERAGE TEMPERATURE
YearJanFebMarAprMayJuneJulyAugSepOctNovDec
49.4 F30.931.036.844.853.562.068.368.062.853.545.036.2

AVERAGE HIGH TEMPERATURE
YearJanFebMarAprMayJuneJulyAugSepOctNovDec
55.5 F37.737.742.850.459.168.074.674.268.759.750.942.6

AVERAGE LOW TEMPERATURE
YearJanFebMarAprMayJuneJulyAugSepOctNovDec
43.2 F24.024.330.739.147.956.061.961.856.947.239.129.7

HIGHEST RECORDED TEMPERATURE (All-Time)
EverJanFebMarAprMayJuneJulyAugSepOctNovDec
97 F595965798397949389827465

LOWEST RECORDED TEMPERATURE (All-Time)
EverJanFebMarAprMayJuneJulyAugSepOctNovDec
-9 F-7-931931415051362915-2

MEAN NUMBER OF DAYS Below 32F
TotalJanFebMarAprMayJuneJulyAugSepOctNovDec
101 days2523194000001921

NORMAL HEATING DEGREE DAYS
TotalJanFebMarAprMayJuneJulyAugSepOctNovDec
59311058952875608357110161289359601894

NORMAL COOLING DEGREE DAYS
TotalJanFebMarAprMayJuneJulyAugSepOctNovDec
265000002011610424100

AVERAGE PRECIPITATION (Inches)
TotalJanFebMarAprMayJuneJulyAugSepOctNovDec
46.71"4.233.984.143.953.713.443.383.333.914.123.894.63

AVERAGE DAYS of PRECIPITATION
TotalJanFebMarAprMayJuneJulyAugSepOctNovDec
67 days787754575467

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